The hidden engineering of a familiar pen
A brisk 3D cutaway explainer uses macro animation and timed captions to reveal how a ballpoint pen works.
By @primalspace for BIC CristalRuns 00:38

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Why it works
The object is named immediately while its tip opens into a macro cutaway, so the first three seconds pair recognition with a visual promise. Across 37.5 seconds, three long scenes and 12 internal picture changes make the mechanisms legible without frantic cuts; the hexagonal outline at 25.1–25.5 seconds coincides with the measured replay peak.
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Tagged 3d animationverticalproduct cutawaymacro close-upengineering explainervoiceoveroutlined captionsobject animation







